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DK0668272T3 - Process for the preparation of tetrazolyl compounds - Google Patents

Process for the preparation of tetrazolyl compounds

Info

Publication number
DK0668272T3
DK0668272T3 DK95101055T DK95101055T DK0668272T3 DK 0668272 T3 DK0668272 T3 DK 0668272T3 DK 95101055 T DK95101055 T DK 95101055T DK 95101055 T DK95101055 T DK 95101055T DK 0668272 T3 DK0668272 T3 DK 0668272T3
Authority
DK
Denmark
Prior art keywords
preparation
tetrazolyl compound
tetrazolyl compounds
tetrazolyl
protected
Prior art date
Application number
DK95101055T
Other languages
Danish (da)
Inventor
Yasushi Shida
Kokichi Yoshida
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Application granted granted Critical
Publication of DK0668272T3 publication Critical patent/DK0668272T3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Disclosed is a process for removing a protective group of an N-protected tetrazolyl compound which comprises reacting said N-protected tetrazolyl compound with a mineral acid under substantially anhydrous conditions in the presence of an alcohol, insuring a high reaction yield of the object tetrazolyl compound.
DK95101055T 1994-01-28 1995-01-26 Process for the preparation of tetrazolyl compounds DK0668272T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP823394 1994-01-28

Publications (1)

Publication Number Publication Date
DK0668272T3 true DK0668272T3 (en) 2000-09-18

Family

ID=11687442

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95101055T DK0668272T3 (en) 1994-01-28 1995-01-26 Process for the preparation of tetrazolyl compounds

Country Status (9)

Country Link
US (2) US5578733A (en)
EP (1) EP0668272B1 (en)
AT (1) ATE194603T1 (en)
CA (1) CA2141175C (en)
DE (1) DE69517832T2 (en)
DK (1) DK0668272T3 (en)
ES (1) ES2147798T3 (en)
GR (1) GR3034464T3 (en)
PT (1) PT668272E (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE416784T1 (en) 2000-12-01 2008-12-15 Takeda Pharmaceutical METHOD FOR PRODUCING A PREPARATION WITH A BIOACTIVE SUBSTANCE
EP1444988A4 (en) 2001-11-13 2007-04-25 Takeda Pharmaceutical ANTICANCING AGENTS
AU2003218056A1 (en) * 2002-03-01 2003-09-16 Merck & Co., Inc. Aminoalkylphosphonates and related compounds as edg receptor agonists
US20040242661A1 (en) * 2003-03-17 2004-12-02 Igor Rukhman Polymorphs of valsartan
US7504516B2 (en) 2003-03-27 2009-03-17 Hetero Drugs Limited Crystalline forms of candesartan cilexetil
EP1556363A2 (en) 2003-04-21 2005-07-27 Teva Pharmaceutical Industries Limited Process for the preparation of valsartan and intermediates thereof
CZ297016B6 (en) * 2003-08-27 2006-08-16 Zentiva, A.S. Method for removing triphenylmethane protecting group from 1-trityl-5-(4'-substituted aminomethyl-1,1' -biphenyl-2-yl)-1H-tetrazoles and process for preparing losartan, irbesartan and valsartan potassium salt by making use thereof
US7098342B2 (en) * 2003-10-16 2006-08-29 Teva Pharmaceutical Industries Ltd. Preparation of candesartan cilexetil
WO2005051928A1 (en) * 2003-11-28 2005-06-09 Ranbaxy Laboratories Limited Process for production of tetrazolyl compounds
US7692023B2 (en) 2004-02-11 2010-04-06 Teva Pharmaceutical Industries Ltd. Candesartan cilexetil polymorphs
CA2562597A1 (en) * 2004-05-05 2005-11-24 Marina Yu Etinger Preparation of candesartan cilexetil in high purity
WO2005123720A1 (en) * 2004-06-18 2005-12-29 Ranbaxy Laboratories Limited Fine particles of the angiotensin ii antagonist candesartan cilexetil and process for production thereof
EP1655298A1 (en) * 2004-11-03 2006-05-10 LEK Pharmaceuticals d.d. Novel polymorph forms of candesartan cilexetil
EP1812423A1 (en) 2004-11-11 2007-08-01 LEK Pharmaceuticals D.D. Process for the synthesis of tetrazoles
JP2007527925A (en) * 2005-01-14 2007-10-04 テバ ファーマシューティカル インダストリーズ リミティド Preparation of crude candesartan cilexetil
WO2006122254A2 (en) * 2005-05-10 2006-11-16 Teva Pharmaceutical Industries Ltd. Stable micronized candesartan cilexetil and methods for preparing thereof
WO2007074399A2 (en) 2005-06-06 2007-07-05 Medichem, S.A. Process for the preparation of tetrazolyl compounds
EP1816131A1 (en) * 2006-02-06 2007-08-08 KRKA, tovarna zdravil, d.d., Novo mesto Process for the preparation of olmesartan medoxomil
EA014026B1 (en) * 2005-07-29 2010-08-30 Крка, Товарна Здравил, Д.Д., Ново Место Process for the preparation of olmesartan medoxomil
SI22127A (en) 2005-10-07 2007-04-30 Krka, Tovarna Zdravil, D.D., Novo Mesto Procedure of preparation of candesartan cilexetil
CZ299265B6 (en) * 2005-10-20 2008-05-28 Zentiva, A. S. Process for preparing 1-(cyclohexyloxy carbonyloxy)ethyl-2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]-methyl]benzimidazole-7-carboxylate (candesartan cilexetil)
ITTO20060560A1 (en) * 2006-07-27 2008-01-28 S I M S S R L INTERMEDIATE COMPOUNDS FOR THE PREPARATION OF ANTIGONISTS OF ANGIOTENSINA II
EA200900068A1 (en) * 2006-07-28 2009-06-30 Крка, Товарна Здравил, Д. Д., Ново Место METHOD OF OBTAINING FORM I KANDESARTANA CYLEXETYL
CA2693513A1 (en) * 2007-07-11 2009-01-15 Alembic Limited An improved process for the preparation of candesartan cilexetil
WO2010134052A1 (en) 2009-05-20 2010-11-25 Ranbaxy Laboratories Limited Process for the preparation of olmesartan medoxomil
WO2011080684A1 (en) 2009-12-31 2011-07-07 Ranbaxy Laboratories Limited Process for the preparation of candesartan cilexetil
WO2011092666A1 (en) 2010-01-29 2011-08-04 Ranbaxy Laboratories Limited An improved process for the preparation of candesartan cilexetil, polymorphic forms of n-trityl candesartan and their uses thereof
KR101251741B1 (en) 2010-12-16 2013-04-05 동화약품주식회사 An improved process for preparing candesartan cilexetil
CN103396408A (en) * 2013-08-13 2013-11-20 河南华商药业有限公司 Preparation method of impurity B in candesartan cilexetil
CN109627234A (en) * 2019-01-30 2019-04-16 浙江省食品药品检验研究院 A kind of candesartan cilexetil crystal and preparation method thereof
CN109851612A (en) * 2019-01-30 2019-06-07 浙江省食品药品检验研究院 A kind of candesartan cilexetil crystal and preparation method thereof
CN109776503A (en) * 2019-01-30 2019-05-21 浙江省食品药品检验研究院 A kind of candesartan cilexetil crystal and preparation method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820843A (en) * 1987-05-22 1989-04-11 E. I. Du Pont De Nemours And Company Tetrazole intermediates to antihypertensive compounds
US5196444A (en) * 1990-04-27 1993-03-23 Takeda Chemical Industries, Ltd. 1-(cyclohexyloxycarbonyloxy)ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate and compositions and methods of pharmaceutical use thereof
GB9017480D0 (en) * 1990-08-09 1990-09-26 Ici Plc Chemical process
TW209213B (en) * 1991-08-21 1993-07-11 Yamanouchi Pharma Co Ltd
SG42942A1 (en) * 1991-09-10 1997-10-17 Tanabe Seiyaku Co Imidazopyridine derivatives and process for preparation thereof
DE4132632A1 (en) * 1991-10-01 1993-04-08 Bayer Ag SUBSTITUTED IMIDAZOLYL-PROPENSAEUREDERIVATE
EP0550313A1 (en) * 1991-12-30 1993-07-07 Synthelabo 2-(Tetranol-5-yl)-(1,1'-biphenyl)derivatives, their preparation and use as intermediates
DE4212748A1 (en) * 1992-04-16 1993-10-21 Thomae Gmbh Dr K New 1-bi:phenyl:methyl- benzimidazole derivs. - used as angiotensin antagonists, e.g. for treating cardiovascular, pulmonary and CNS disorders e.g. Alzheimer's disease, ischaemia etc.

Also Published As

Publication number Publication date
CA2141175C (en) 2006-12-12
EP0668272A3 (en) 1995-08-30
EP0668272A2 (en) 1995-08-23
PT668272E (en) 2000-10-31
US5578733A (en) 1996-11-26
ATE194603T1 (en) 2000-07-15
EP0668272B1 (en) 2000-07-12
DE69517832D1 (en) 2000-08-17
US5763619A (en) 1998-06-09
ES2147798T3 (en) 2000-10-01
GR3034464T3 (en) 2000-12-29
CA2141175A1 (en) 1995-07-29
DE69517832T2 (en) 2000-11-09

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